Omid Pournik
Department of Community Medicine, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
[ 1 ] - Measuring psychosocial exposures: validation of the Persian of the copenhagen psychosocial questionnaire (COPSOQ)
Background: The effect of psychosocial work environment on personal and organizational aspects of employees is well-known and it is of fundamental importance to have valid tools to evaluate them. This study aims to evaluate the reliability and validity of the Persian version of Copenhagen Psychosocial Questionnaire (COPSOQ). Methods : The questionnaire was translated into Persian and then b...
[ 2 ] - A diagnostic model for cirrhosis in patients with non-alcoholic fatty liver disease: an artificial neural network approach
Background :Timely diagnosis of liver cirrhosis is vital for preventing further liver damage and giving the patient the chance of transplantation. Although biopsy of the liver is the gold standard for cirrhosis assessment, it has some risks and limitations and this has led to the development of new noninvasive methods to determine the stage and prognosis of the patients. We aimed to design an...
[ 3 ] - Research centers' ranking and resource management
In recent decade, there has been an increase in the number of research centers and the allocated budget and resources to research in Iran. These research centers show widely different performance and research impacts. Identifying the sources of such differences can help the research sector managers improve the effectiveness of distributed resources. This study was performed on 28 research cent...